Home / 190,378.92-285,572.97-64,020.81

Finding the Fourth Proportional to 190,378.92, 285,572.97 and 64,020.81

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Solution

The fourth proportional to 190,378.92, 285,572.97 and 64,020.81 is: 96,032.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,378.92 : 285,572.97 = 64,020.81 : x
  2. Step 2: Convert to fraction form
    190,378.92/285,572.97 = 64,020.81/x
  3. Step 3: Cross multiply
    190,378.92x = 285,572.97 × 64,020.81
  4. Step 4: Simplify right side
    190,378.92x = 18,282,612,853.51
  5. Step 5: Solve for x
    x = 18,282,612,853.51/190,378.92
  6. Step 6: Final answer
    x = 96,032.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.